Currecy conversion

Hi All,

I have concatenate the 10 fileds separated by ',' into one string and download that string into desktop as CSV file type.

Problem is in that 10 fields two fields are cureency fileds.so, i can move that fileds into string type. in output file displyed as only 100 , but this should be display as 100.00. here.00 missing, but value is 100.05 it displaying correctly.

Please give me any ideas, how can i display 100.00